diff --git a/plugins/global-bind/mousetrap-global-bind.js b/plugins/global-bind/mousetrap-global-bind.js
index c72672a5..6b86a99f 100644
--- a/plugins/global-bind/mousetrap-global-bind.js
+++ b/plugins/global-bind/mousetrap-global-bind.js
@@ -43,4 +43,4 @@
     };
 
     Mousetrap.init();
-}) (Mousetrap);
+}) (typeof Mousetrap !== "undefined" ? Mousetrap : undefined);